de.thomas_oster.lazysql

Class AbstractRDBMSAdapter

java.lang.Object

de.thomas_oster.lazysql.AbstractRDBMSAdapter

Direct Known Subclasses:

MssqlAdapter, MysqlAdapter, OracleAdapter, UnknownRDBMSAdapter

public abstract class AbstractRDBMSAdapter
extends Object

A class representing support for an RDBMS. If your RDBMS need some special treatment, extend this class and add your implementation to the getAdapterByDbUri method

Author:

Thomas Oster (mail@thomas-oster.de)

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	AbstractRDBMSAdapter.FullyQualifiedName
static class	AbstractRDBMSAdapter.NotSupportedException
static class	AbstractRDBMSAdapter.Procedure

Constructor Summary

Constructors

Constructor and Description
AbstractRDBMSAdapter()

Method Summary

Modifier and Type	Method and Description
abstract void	checkSQLSyntax(Connection con, String sql, List<Argument> params)
static AbstractRDBMSAdapter	getAdapterByDbUri(String dburi, String customDriver)
protected Class	getColumnType(int DATA_TYPE, String TYPE_NAME, int NULLABLE) Maps the SQL Column type to java class.
List<String>	getSchemas(Connection con, String prefix)
List<String>	getSchemas(Connection con, String catalog, String prefix)
abstract List<Argument>	getSqlQueryType(Connection con, String sql, List<Argument> params) Let's the db analyze an SQL query and throws an exception or returns a map containing the names and types of the resulting rows
List<Argument>	getStoredProcedureParameters(Connection con, String name)
List<Argument>	getStoredProcedureParameters(Connection con, String catalog, String schema, String name)
List<AbstractRDBMSAdapter.Procedure>	getStoredProcedures(Connection con, String prefix)
List<AbstractRDBMSAdapter.Procedure>	getStoredProcedures(Connection con, String catalog, String schema, String prefix)
List<Argument>	getTableColumns(Connection con, String name, String prefix)
protected List<Argument>	getTableColumns(Connection con, String catalog, String schema, String name, String prefix)
List<String>	getTables(Connection db, String prefix)
List<String>	getTables(Connection db, String catalog, String schema, String prefix)
protected void	tryToLoadDriver(String className)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AbstractRDBMSAdapter

public AbstractRDBMSAdapter()

Method Detail

tryToLoadDriver

protected final void tryToLoadDriver(String className)

getAdapterByDbUri

public static AbstractRDBMSAdapter getAdapterByDbUri(String dburi,
                                                     String customDriver)
                                              throws DbConfig.ConfigException

Throws:

DbConfig.ConfigException

getColumnType

protected Class getColumnType(int DATA_TYPE,
                              String TYPE_NAME,
                              int NULLABLE)

Maps the SQL Column type to java class. Gets the information from the getMetadata().getColumns method if it returns null, the column is ignored.

Parameters:

DATA_TYPE - the datatype from the metadata

TYPE_NAME - the type name from the metadata

NULLABLE - the nullable column from the metadata

Returns:

the java Type corresponding to the SQL type name and nullable information

getSchemas

public List<String> getSchemas(Connection con,
                               String catalog,
                               String prefix)
                        throws SQLException

Throws:

SQLException

getSchemas

public List<String> getSchemas(Connection con,
                               String prefix)
                        throws SQLException

Throws:

SQLException

getTableColumns

protected List<Argument> getTableColumns(Connection con,
                                         String catalog,
                                         String schema,
                                         String name,
                                         String prefix)
                                  throws SQLException

Throws:

SQLException

getTableColumns

public List<Argument> getTableColumns(Connection con,
                                      String name,
                                      String prefix)
                               throws SQLException

Throws:

SQLException

getStoredProcedureParameters

public List<Argument> getStoredProcedureParameters(Connection con,
                                                   String catalog,
                                                   String schema,
                                                   String name)
                                            throws SQLException,
                                                   AbstractRDBMSAdapter.NotSupportedException

Throws:

SQLException

AbstractRDBMSAdapter.NotSupportedException

getStoredProcedureParameters

public List<Argument> getStoredProcedureParameters(Connection con,
                                                   String name)
                                            throws SQLException,
                                                   AbstractRDBMSAdapter.NotSupportedException

Throws:

SQLException

AbstractRDBMSAdapter.NotSupportedException

getStoredProcedures

public List<AbstractRDBMSAdapter.Procedure> getStoredProcedures(Connection con,
                                                                String catalog,
                                                                String schema,
                                                                String prefix)
                                                         throws SQLException,
                                                                AbstractRDBMSAdapter.NotSupportedException

Throws:

SQLException

AbstractRDBMSAdapter.NotSupportedException

getStoredProcedures

public List<AbstractRDBMSAdapter.Procedure> getStoredProcedures(Connection con,
                                                                String prefix)
                                                         throws SQLException,
                                                                AbstractRDBMSAdapter.NotSupportedException

Throws:

SQLException

AbstractRDBMSAdapter.NotSupportedException

getSqlQueryType

public abstract List<Argument> getSqlQueryType(Connection con,
                                               String sql,
                                               List<Argument> params)
                                        throws SQLException,
                                               AbstractRDBMSAdapter.NotSupportedException

Let's the db analyze an SQL query and throws an exception or returns a map containing the names and types of the resulting rows

Parameters:

con - the database connection

sql - the sql query

params - a list of parameters used in this query

Returns:

returns a list of arguments corresponding to the query result type

Throws:

SQLException - if the query is wrong

AbstractRDBMSAdapter.NotSupportedException - if the corresponding adapter cannot check the query result type

checkSQLSyntax

public abstract void checkSQLSyntax(Connection con,
                                    String sql,
                                    List<Argument> params)
                             throws SQLException,
                                    AbstractRDBMSAdapter.NotSupportedException

Throws:

SQLException

AbstractRDBMSAdapter.NotSupportedException

getTables

public List<String> getTables(Connection db,
                              String catalog,
                              String schema,
                              String prefix)
                       throws SQLException

Throws:

SQLException

getTables

public List<String> getTables(Connection db,
                              String prefix)
                       throws SQLException

Throws:

SQLException